Data Models into Database Designs Which is not true about surrogate keys? They are short. They have meaning to the user. They are numeric. They are fixed. They are short. They have meaning to the user. They are numeric. They are fixed. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs (STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs The identifier of an entity will become the ________ of the new table. main attribute primary key identity key foreign key main attribute primary key identity key foreign key ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs For every relationship, how many possible sets of minimum cardinalities are there? Four Six Three Two Four Six Three Two ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A foreign key is: All of these used to define data types. used to define null status. a column containing the primary key of another table. All of these used to define data types. used to define null status. a column containing the primary key of another table. ANSWER DOWNLOAD EXAMIANS APP
Data Models into Database Designs A primary key should be defined as: NULL. NOT NULL. None of these Either of the above can be used. NULL. NOT NULL. None of these Either of the above can be used. ANSWER DOWNLOAD EXAMIANS APP